wrigcath wrigcath
  • 23-01-2015
  • Mathematics
contestada

need help with problem can you help 5x+3y=22 y=2x

Respuesta :

Аноним Аноним
  • 23-01-2015
5x+3y=22    y=2x
5x+3(2x)=22
5x+6x=22
11x=22
x=2

y=2(2)
y=4
x=2 y=4
Answer Link
D3xt3R
D3xt3R D3xt3R
  • 23-01-2015
if y = 2x, let's replace it on  [tex]5x+3y=22[/tex]

[tex]5x+3*(2x)=22[/tex]

[tex]5x+6x=22[/tex]

[tex]11x=22[/tex]

[tex]\boxed{\boxed{x=2}}[/tex]

Therefore

[tex]y=2x[/tex]

[tex]y=2*2[/tex]

[tex]\boxed{\boxed{y=4}}[/tex]
Answer Link

Otras preguntas

What was the name of the first set of laws in the Carolina Colony ?
I NEED HELP ASAP PLEASE HELP
A bank account has a balance of - $7.25. What is the absolute value of -7.25?
What scale factor was used to produce the image (HELPPP)
Which of the following statements about governments in Africa are true? i. Most governments are stable, with peaceful transitions following elections. ii. Most
Determine whether the lines are parallel, perpendicular or neither. b Line 1:2y−3x=0 Line 2:y+6x=−3
Which one of the following wars or conflicts was fought over the use of slave labor in agriculture?
Revenue in a Sentence More then 6 Words
mZSRW = need a fast answer thanks!
Use sigma notation to represent the sum of a geometric series with a first term of 2 and a common ratio of .